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WILLIAMS BAY--Yerkes Observatory is offering a special opportunity for people to watch the Perseid Meteor Shower safely and comfortably. Every year in August the Earth passes through the debris stream of Comet Swift-Tuttle, resulting in many “falling stars” that appear to come from the constellation Perseus.

The observing opportunity at Yerkes will run from 8:30 p.m. to 11 p.m. on Sunday, Aug. 11. Night sky guides will be on hand to point out stars and constellations. Small telescopes will be available for viewing the moon, planets and other celestial objects.

The cost for this event is $5 per person, with a maximum of $15 per family. Children must be accompanied by adults. Available space is limited, so register at http://astro.uchicago.edu/yerkes. If the sky is cloudy, the event will be canceled.

August nights can sometimes get chilly, so bring long-sleeved shirts or jackets, long pants and wear shoes or sneakers. For the comfort of everyone, do not apply bug spray at the event and do not bring pets.

Because meteors are usually best viewed while lying down, you may want to bring a blanket and binoculars. If you bring a flashlight, use a red filter or cover it with a small brown paper bag secured with rubber bands or tape.

Throughout the year Yerkes is open for free public tours on Saturday mornings, as well as offering special group tours and various programs.